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Matches 1 - 50 out of 30,693

Document Document Title
WO/2018/012120A1
Provided is a miniaturized power module in which program control signals that are input to a programmable circuit are configured as one system. In the power module (10), an internal high-side programmable circuit (12) and a low-side prog...  
WO/2018/010785A1
A method of controlling AC power to drive at least one load, the method comprising: determining a power adjustment rate of 0% to 100% of a maximum AC power; identifying a predetermined number of semi-cycles of an AC power signal, the pre...  
WO/2018/010029A1
The combined voltage regulator and snubber circuit generally has a voltage regulator device in parallel with the energy storage element of the snubber circuit operatively connectable in series with a leakage inductance current path; the ...  
WO/2018/010774A1
Certain examples described herein relate to a removable unit of an additive manufacturing system. The removable unit is connectable to a base unit. When connected and operational, the base unit supplies a first voltage to the removable u...  
WO/2018/012122A1
The present invention suppresses a high frequency noise that is generated in a semiconductor device wherein a SiC element is mounted. A semiconductor device 100 is provided with: semiconductor elements 14a and 15a, which are connected in...  
WO/2018/010972A1
The present invention provides a control method for improving conversion efficiency of a multi-channel MPPT input inverter, which implements high efficient operation of the inverter. The method comprises following steps: in step S1, coll...  
WO/2018/006960A1
A transformer circuit includes a first transformer (T1) and a second transformer (T2), a first terminal of the first transformer connected to a first terminal of the second transformer and an inductor (L1) connected between a second term...  
WO/2018/008333A1
The present invention addresses the problem regarding the inability to detect an erroneous ignition of a lower arm switching element due to voltage change when an upper arm switching element is switched from off to on. According to the p...  
WO/2018/006664A1
Provided are an input adaptive control method and device. The method comprises: detecting input information (S201); recognizing the input information, and generating a control signal corresponding to the input information (S202); and tra...  
WO/2018/007182A1
A lighting and power control system includes a two stage power converter system that has a sufficiently high bandwidth to provide sufficient power factor correction and suppresses double line frequency noise to provide a stable output cu...  
WO/2018/006970A1
The present disclosure relates to a stack of semiconductor switches of a phase leg 2 of a Modular Multilevel power Converter (MMC) 1, wherein semiconductor switches of a first cell 3a of the phase leg are stacked in an order of: 1) S1, 2...  
WO/2018/001465A1
The invention relates, amongst other things, to a method for operating a converter, in particular a multilevel converter (100) that is connected to a power supply network (1), which operates at a prespecified network frequency, and has a...  
WO/2018/002852A1
An AC/DC conversion apparatus includes first, second, and third AC/DC conversion modules operated by a controller in two modes of operation. In the first mode, the input AC signal is 3-phase and each of the three modules are enabled to h...  
WO/2018/001455A1
The present disclosure relates to a converter arrangement comprising a power converter (1), converter terminals (8), connecting the converter to an AC mains (6) via circuit breakers (7), and a capacitor arrangement (4) comprising at leas...  
WO/2018/005377A1
A resonant DC-DC converter for generating high voltage MHz bi-polar DC pulses includes a left multi-level resonant rectifier bank [100] connected to a positive electrode [104] and coupled via capacitive isolation to a left RF amplifier t...  
WO/2018/005321A1
Systems, methods, and articles of manufacture are provided wherein inverter topologies and inverter control employ primary and secondary windings with a half-bridge circuit and an unfolding bridge circuit positioned between the second wi...  
WO/2018/002479A1
The invention relates to a power electronics module (MOD) of a hybrid or electric vehicle electric traction system, comprising a casing (CAR) housing an element that is live when the said system is in operation, the said element being ac...  
WO/2018/001589A1
The invention relates to an apparatus (1) for operating an electric machine (2) of a motor vehicle, having a circuit which connects the electric machine (2) to an energy store (4), wherein the circuit (3) has a main switch (13) and a bri...  
WO/2018/001515A1
A multilevel converter for converting between AC and DC comprises a cell (HBA), which comprises an energy storage element (C), a first branch of series-connected switching units(S1, S2) in parallel with the energy storage element, each s...  
WO/2017/220217A1
The invention relates to a drive method for a first power semiconductor chip (1, 12) comprising a first switchable power semiconductor (T1, T) and a first freewheeling diode (D1, D) and for a second power semiconductor chip (1, 13) compr...  
WO/2017/223267A1
A method and system for generating inverted electrical signals includes a first string of batteries connected in series, each battery having a half-bridge circuit connected in parallel and each having upper switch and lower switches. A f...  
WO/2017/221338A1
The purpose of the present invention is to provide a method for inspecting a user system even when an alternating-current electric motor and a load are not yet prepared, or without driving the alternating-current electric motor even if t...  
WO/2017/223065A1
A power supply system and related method for providing a regulated DC output from an unregulated AC input includes a Vienna rectifier (2) having power factor correction circuitry (29) and a series resonant DC to DC converter (5) to provi...  
WO/2017/219675A1
An overload protection method, device and system. The method comprises: detecting that a terminal (10) works under a timeslot burst mode and/or signal intensity received by the terminal (10) drops instantaneously (S202); and performing c...  
WO/2017/220242A1
The invention relates to a circuit assembly (28) for supply-side connection to an inverter (8) of an electric machine (2), comprising a filter circuit (32) having at least one filter stage (30), wherein the filter stage (30) has an X-Y i...  
WO/2017/220448A1
The invention relates to a system and a method for converting DC power into three-phase AC power. The conversion system comprises three commutation branches (A, B, C), a modulation circuit, and an electric energy recovery module (8). The...  
WO/2017/220133A1
A snubber circuit operable with a power converter. The power converter includes a controller configured to provide a control signal to control a conductivity of a power switch of the power converter. In an embodiment, the snubber circuit...  
WO/2017/220447A1
The invention relates to a system and a method for converting DC power into three-phase AC power, the conversion system comprising three commutation branches (A, B, C), a modulation circuit, an electric energy recovery module (8), and fi...  
WO/2017/216974A1
Disclosed is a drive device wherein: a main switching element is connected to a main current path; an input terminal of a high potential-side switching element, and an output terminal of a low potential-side switching element are electri...  
WO/2017/215189A1
A method and device for controlling a PFC converter, and a variable-frequency electric appliance. The method comprises: controlling a PFC converter to generate a frequency offset function in which frequency offset values change periodica...  
WO/2017/216291A1
A multilevel converter for forming an alternating current waveform includes at least one cell (HBA) comprising at least one energy storage element (C) and a first branch of series-connected switching units in parallel with the energy sto...  
WO/2017/218430A1
In some implementations, a device includes a first full bridge rectifier configured to receive power from an alternating current (AC) power source, the first full bridge rectifier having direct current (DC) output nodes, a second full br...  
WO/2017/215894A1
Voltage converter (1) comprising at least: a boost circuit (2) configured for converting an input voltage Vin to an out- put voltage Vout, wherein a setpoint for the output voltage Vout is, by a fixed additional value Vf, larger than the...  
WO/2017/212622A1
The purpose of the present invention is to provide a technique that makes it possible to achieve high voltage resistance in a semiconductor device. The semiconductor circuit includes a first resistance, a second resistance and a third re...  
WO/2017/212535A1
A power conversion device housing and a plastic cap, the housing surface having a plurality of service holes for electrically joining circuits inside the housing of a power conversion device. A plastic cap (2) for blocking a service hole...  
WO/2017/213975A1
A hybrid power converter circuit includes a switched-capacitor power converter stage and a pulse-width modulation (PWM) or resonant output circuit coupled to a switching node of the switched-capacitor power converter stage. In particular...  
WO/2017/211324A1
An adapter (10; 40) comprises: an inverter configured to convert a direct current output by a battery pack (20, 30) to an alternating current; a rectifier configured to convert an alternating current to a direct current that can charge a...  
WO/2017/211418A1
A battery module (140) comprises charging terminals (503, 504) for connecting the battery module (140) to a power source (505), a battery cell arrangement (210), and a DC-to-DC converter (510). A first terminal (501) of the battery cell ...  
WO/2017/211104A1
An EMI filter and a power EMI filter access circuit. The EMI filter comprises a tunable common mode inductor (L1), a first and a second differential-mode working capacitor (CX) that are connected in parallel with an input end and an out ...  
WO/2017/211557A1
Method for contactlessly transmitting electrical energy to a load (17) using a transmission system (1), having the steps of: converting alternating current from an alternating current source (4) into direct current using a primary rectif...  
WO/2017/209345A1
An LED lamp comprises: LED elements including an LED element included in a first group and an LED element included in a second group; a first switch for turning on/off a current supplied from a first power supply; a second switch for tur...  
WO/2017/206385A1
An intelligent power module (1100) and an air conditioner. An HVIC (1101) of the intelligent power module (1100) has connection wire ends respectively connected to a three-phase upper bridge arm signal input end and a three-phase lower b...  
WO/2017/206082A1
A DC-DC power supply and a low-voltage shut off control circuit thereof. The low-voltage shut off control circuit (20) comprises a voltage detection module (201) and a shut off control module (202), wherein the voltage detection module (...  
WO/2017/208668A1
The present invention comprises: a plurality of detection circuits (32, 33, 34) that detect information required for a operation for protecting a semiconductor element constituting a power conversion device; a protection-signal-generatin...  
WO/2017/206684A1
A driving control method, a driving control circuit and a system for a totem-pole bridgeless circuit. Said method comprises: acquiring, for each return transistor to be controlled in a totem-pole bridgeless circuit, a return transistor v...  
WO/2017/207163A1
The invention relates to a power conversion circuitry (10) for multiple power sources (12, 14) comprising first positive and negative terminals (PV+, PV-) for connecting to a photovoltaic power source (12), second positive and negative t...  
WO/2017/207764A1
The invention relates to an inverter (1) for converting a direct voltage (UDC) into an alternating voltage (UAC) for feeding into a single-phase three-conductor network (3) and for supplying loads (4), comprising a DC input (5), a link (...  
WO/2017/204925A1
This disclosure describes an AC/DC power converter that produces multiple output voltage levels. The AC/DC power converter may include a gain adjustment circuit. The gain adjustment circuit may adjust the gain of a feedback signal of the...  
WO/2017/203624A1
The purpose of the present invention is to achieve size reduction and simplification of the circuit configuration of an intelligent power module (IPM) through phase synchronization of the IPM. The IPM pertaining to the present invention ...  
WO/2017/202900A1
The invention relates to a bidirectional DC converter assembly for an electric vehicle, which electric vehicle has a high voltage level and a low voltage level, wherein the DC converter assembly has a series circuit of two DC-to-DC conve...  

Matches 1 - 50 out of 30,693